if(receiveBuffer.position() > 0)
      {
         try
         {
            /*
             *  Can only go further if at least the length byte of
             *  the InSim Packet exists
             */

            /*
             * Get the first byte of the buffer
             * This byte indicates the length of the InSim Packet
             */
            int packetSize = ((short) receiveBuffer.get(0)) & 0xFF;
            ByteBuffer inSimData;

            while (receiveBuffer.position() >= packetSize)
            {
               // Packet can be read in
               receiveBuffer.flip();
               inSimData = ByteBuffer.allocate(packetSize);

               byte[] tmpBuffer = new byte[packetSize];
               receiveBuffer.get(tmpBuffer);
               inSimData.put(tmpBuffer);
               receiveBuffer.compact();

		   // THE RECEIVED PACKET IS IN isSimData
		   // HERE YOU CAN DO YOUR STUFF WITH THE RECEIVED PACKET

		   

            }

         }
         catch (Exception e)
         {
            // TODO Auto-generated catch block
            e.printStackTrace();
         }
      }